Plains

Concealed Courtyard

This land enters tapped unless you control two or fewer other lands.
{T}: Add {W} or {B}.

Mountain

Shocking Sharpshooter

Reach
Whenever another creature you control enters, this creature deals 1 damage to target opponent.

Vengeful Bloodwitch

Whenever this creature or another creature you control dies, target opponent loses 1 life and you gain 1 life.

Sunbillow Verge

{T}: Add {W}.
{T}: Add {R}. Activate only if you control a Mountain or a Plains.

Waystone's Guidance

Attacking tokens you control get +1/+0.
Whenever you cast your first creature spell each turn, that spell gains mobilize 1.

Blazemire Verge

{T}: Add {B}.
{T}: Add {R}. Activate only if you control a Swamp or a Mountain.

Swiftspear's Teachings

You get a one-time boon with "When you cast a creature spell, it gains your choice of prowess or haste."
Draw a card.

Inspiring Vantage

This land enters tapped unless you control two or fewer other lands.
{T}: Add {R} or {W}.

Caustic Exhale

As an additional cost to cast this spell, behold a Dragon or pay {1}. (To behold a Dragon, choose a Dragon you control or reveal a Dragon card from your hand.)
Target creature gets -3/-3 until end of turn.

Mardu Thunderkite

Flying
Mobilize 1
When this creature enters, creatures you control perpetually gain your choice of menace, lifelink, or haste.

Impact Tremors

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Authority of the Consuls

Creatures your opponents control enter tapped.
Whenever a creature an opponent controls enters, you gain 1 life.

Bleachbone Verge

{T}: Add {B}.
{T}: Add {W}. Activate only if you control a Plains or a Swamp.

Captivating Crossroads

During your first three turns of the game, Captivating Crossroads enters tapped if you were the starting player.
As Captivating Crossroads enters, choose a color.
{T}: Add one mana of the chosen color.

Dalkovan Packbeasts

Vigilance
Mobilize 3 (Whenever this creature attacks, create three tapped and attacking 1/1 red Warrior creature tokens. Sacrifice them at the beginning of the next end step.)

Worthy Cost

As an additional cost to cast this spell, sacrifice a creature.
Exile target creature or planeswalker.

Swamp

Nomad Outpost

This land enters tapped.
{T}: Add {R}, {W}, or {B}.

Voice of Victory

Mobilize 2 (Whenever this creature attacks, create two tapped and attacking 1/1 red Warrior creature tokens. Sacrifice them at the beginning of the next end step.)
Your opponents can't cast spells during your turn.

Desert Cenote

If you were the starting player, this land enters tapped.
As this land enters, choose up to two colors from among cards in your hand.
{T}: Add {C}.
{T}: Add one mana of a chosen color.

Thunderbond Vanguard

Thunderbond Vanguard's power and toughness are each equal to the number of creatures you control.
Each creature token you control enters as a copy of this creature.